Except the all-pervasive surveillance system used to enforce these "moral standards" on teachers was not only non-existent before 2008 or so -- but (up through

Except the all-pervasive surveillance system used to enforce these "moral standards" on teachers was not only non-existent before 2008 or so -- but (up through the 90s) basically unthinkable. "Thinkable" in science fiction, yes -- but not as something that could emerge, full force, in actual day-to-day reality.